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Adaptive mode control in few mode fibers and its applications
Author(s): Islam Ashry; Peng Lu; Yong Xu
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Paper Abstract

With the development of mode-division-multiplexing (MDM), few mode fibers (FMFs) have found a wide range of applications in optical sensing and communications. However, how to precisely control the mode composition of optical signals in FMFs remains a difficult challenge. In this paper, we present an adaptive mode control method that can selectively excite the linearly polarized (LP) mode within the FMF. The method is based on using optical pulses reflected by a fiber Bragg grating (FBG) for wavefront optimization. Two potential applications are discussed. First, we theoretically demonstrate the feasibility of large scale multiplexing of absorption based fiber optical sensors. Second, we discuss the possibility of using mode dependent loss to reconstruct the spatial distributions of absorptive chemicals diffused within a FMF.

Paper Details

Date Published: 5 October 2016
PDF: 10 pages
Proc. SPIE 9956, Ultrafast Nonlinear Imaging and Spectroscopy IV, 995612 (5 October 2016); doi: 10.1117/12.2236994
Show Author Affiliations
Islam Ashry, Virginia Polytechnic Institute and State Univ. (United States)
Peng Lu, Virginia Polytechnic Institute and State Univ. (United States)
Yong Xu, Virginia Polytechnic Institute and State Univ. (United States)


Published in SPIE Proceedings Vol. 9956:
Ultrafast Nonlinear Imaging and Spectroscopy IV
Zhiwen Liu, Editor(s)

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